Side by side

Oak & Oscar The Humboldt ExP-02vsKUOE ROYAL SMITH 90-008

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

The Humboldt ExP-02
Oak & OscarThe Humboldt ExP-02
MSRP $2,400
ROYAL SMITH 90-008
KUOEROYAL SMITH 90-008
MSRP $760

At a glance

16 of 29 specs differ
Diameter
The Humboldt ExP-0239.5mm
ROYAL SMITH 90-00834mm
Power Reserve
The Humboldt ExP-0256h
ROYAL SMITH 90-00842h
Water Resistance
The Humboldt ExP-02200m
ROYAL SMITH 90-00850m
MSRP
The Humboldt ExP-02$2,400
ROYAL SMITH 90-008$760

Full specifications

Case

8 specs
Category
Tool
Dress
Diameter
39.5mm
34mm
Thickness
12.4mm
11mm
Lug-to-Lug
46.8mm
41mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
50m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Dome
AR Coating
Inner
Yes
Dial Color
Grey
Silver
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Sellita SW300
Miyota 9039
Power Reserve
56h
42h
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$2,400
$760

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oak & Oscar The Humboldt ExP-02

Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.

KUOE ROYAL SMITH 90-008

KUOE ROYAL SMITH 90-008 is widely praised for its authentic vintage aesthetic, featuring a textured dial with applied Breguet numerals and a unique cushion case. Owners highlight its compact 34mm/35mm sizing as refreshing and comfortable, though one user found the 35mm size too small for a 7-inch wrist. The Miyota 9039 movement is standard, rated at -10/+30 seconds per day, with one example running at +8 seconds per day. A minor criticism is the 16mm buckle taper on the leather straps. Overall, owners rate the KUOE ROYAL SMITH 90-008 highly for its exceptional fit, finish, presentation, and value under $1,000 USD.

From video reviewers

The watch's value at its price point is a key strength. Lume brightness is a noted weakness. Reviewers disagreed on the ideal case size, with some finding it comfortable and others wishing for a smaller option.

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